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El Dilema de la Escala Productiva frente a Ciclos de Abundancia: La Pesca Industrial en Chile

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A menudo la escala productiva de diversas pesquerías en el mundo muestra escasa flexibilidad frente a caídas en la abundancia de la pesca, lo que en ocasiones ha generado situaciones de colapso pesquero. Aquí estudiamos las dos pesquerías con mayor volumen de desembarques en Chile y que se caracterizan por enfrentar variabilidad en su abundancia. Analizamos aspectos productivos que afectan los incentivos para ajustar a la baja el esfuerzo pesquero. Para ello estimamos funciones de captura para las flotas industriales que operan en cada pesquería usando datos de panel. Los resultados plantean dos áreas de conclusión. Primero, evidencia que avala la relevancia empírica de tecnologías de captura Translog. Esto contradice una práctica habitual en modelos bioeconómicos, cual es considerar elasticidades captura-insumos constantes e independientes de la escala de producción. Segundo, identificamos un conjunto de efectos productivos que debilitan los incentivos para ajustar a la baja el esfuerzo pesquero: economías de escala en el uso de insumos variables, economías externas asociadas al esfuerzo agregado de búsqueda de cardúmenes, y rendimientos de pesca sensibles a cambios en la abundancia, pero donde la fuerza de este efecto disminuye al caer la abundancia.

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Paper provided by Ilades-Georgetown University, Universidad Alberto Hurtado/School of Economics and Bussines in its series ILADES-Georgetown University Working Papers with number inv142.

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Handle: RePEc:ila:ilades:inv142

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Cited by:
  1. Pedro Guajardo & Julio Peña Torres & Hector Ramirez, 2009. "Harvesting technology and catch-to-biomass dependence: The case of small pelagic fish," ILADES-Georgetown University Working Papers inv232, Ilades-Georgetown University, Universidad Alberto Hurtado/School of Economics and Bussines.
  2. Patricio Barría & Andrés Goméz-Lobo Echeñique & Julio Peña-Torres, 2007. "ITQ’s in Chile: Measuring the Economic Benefits of Reform," Working Papers wp258, University of Chile, Department of Economics.
  3. Julio Peña Torres & Claudio Agostini & Sebastián Vergara, 2005. "'El Niño' Effects and Biomass Endogeneity in a Harvest Function: The Chilean Jack Mackerel Fishery," ILADES-Georgetown University Working Papers inv160, Ilades-Georgetown University, Universidad Alberto Hurtado/School of Economics and Bussines.
  4. Julio Peña Torres & Mabyr Valderrama, 2008. "Fishing Location decisions in the Chilean-Transzonal Jack Mackerel Fishery," ILADES-Georgetown University Working Papers inv217, Ilades-Georgetown University, Universidad Alberto Hurtado/School of Economics and Bussines.

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